For a rational function

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

f(x)=\dfrac{P(x)}{Q(x)}

, where

P(x)

and

Q(x)

are polynomials, the domain of

f

is (a) All real numbers for which

P(x)\neq0

(b) All real numbers (c) All real numbers for which

Q(x)\neq0

(d) All real numbers for which

P(x)\neq0

and

Q(x)\neq0